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1 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac95c747df54c67fead652016db24012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a673fd2a5c000f0a1671237a6421846.png)
A.8 | B.10 | C.![]() | D.![]() |
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3卷引用:2024届山东省潍坊市高考三模数学试题
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2 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510b55a602948e78f8bd274053713903.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348884a1b0347ae2c79977a69966db69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510b55a602948e78f8bd274053713903.png)
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3 . 在
的展开式中,常数项为75,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ddc7b658456d2f6eb491ab45941f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2卷引用:河北省唐县第一中学2024届高三第三次模拟考试数学试题
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4 . 写出
的展开式的第4项的系数:______ .(用数字表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805039a83c8d4abbe6c74821392cd481.png)
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5 .
的展开式中x的系数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0934128b578c07d455b958b7d1dc1b4b.png)
A.30 | B.40 | C.70 | D.80 |
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6 .
展开式中系数为无理数的项共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe3a32f3f3c64aa97c678f04050eec0.png)
A.2项 | B.3项 | C.4项 | D.5项 |
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7 . 知识卡片:一般地,如果
是区间
上的连续函数,并且
,那么
.这个结论叫做微积分基本定理,又叫做牛顿—莱布尼茨公式.当
,
时,有如下表达式:
,两边同时积分得:
,从而得到如下等式:
请根据以上材料所蕴含的数学思想方法,由二项式定理
计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7fe8f27f7d0118b645b0577c990cb9f.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babadc15694ea4139b1bb919a7d49b93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb0e20a88409f5d7e899876d9d5ef09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c354be10f49f79ca7fdd3da9837a9b5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2079e9798470edc75b66126cf06da150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8306906c6ffde45231e08776c0fea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4613b9e01d001fab00a2f288d28b782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f303360ac002854ad3d63a5fca122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7fe8f27f7d0118b645b0577c990cb9f.png)
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8 . 高斯二项式定理广泛应用于数学物理交叉领域.设
,
,记
,
,并规定
.记
,并规定
.定义![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d601aa06fb338e5e629935efcff4932.png)
(1)若
,求
和
;
(2)求
;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde3af866d12045a0e9599d23bd4d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09881de0dc186bbcd1e60eb00159ee97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58df309205b8d16bbd5d0a0e4e7d053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8698bbd609efdba601a39d2eb2cb97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b4ad0e3e571e1a08f420228c02c12f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5dd4e67e475ed09d10ed514058ede2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a494b79124dc4e7ddc75281053742b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d601aa06fb338e5e629935efcff4932.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9a6cca129af26a517a09cf5a0f3e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b11fba3ed5a9437cea560cc3a81ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d6808740a5b6d1c709e2e3cfe1c394.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d36b40974197a7e097094cc957e29d1.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369cd24ddc7279c5f4014d320f2580be.png)
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9 . “杨辉三角”是二项式系数在三角形中的一种几何排列.从第1行开始,第n行从左至右的数字之和记为
,如
的前
项和记为
,依次去掉每一行中所有的1构成的新数列2,3,3,4,6,4,5,10,10,5,...,记为
,
的前
项和记为
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1829194a3ae731497284f8935ceac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() |
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10 . 在二项式
的展开式中,不正确的说法是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf68017d09f7fb8e16021785bdf8a2a.png)
A.常数项是第3项 | B.各项的系数和是1 |
C.偶数项的二项式系数和为32 | D.第4项的二项式系数最大 |
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2卷引用:辽宁省丹东市东港市第二中学2024届高三下学期高考热身考试数学试卷